v2x: fix build warning on os_interface_test
v2x: fix build warning on os_interface_test

ycool/apollo,ycool/apollo,jinghaomiao/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ycool/apollo,xiaoxq/apollo,ycool/apollo,xiaoxq/apollo,ApolloAuto/apollo,xiaoxq/apollo,xiaoxq/apollo,jinghaomiao/apollo,jinghaomiao/apollo,ApolloAuto/apollo,jinghaomiao/apollo,jinghaomiao/apollo,ApolloAuto/apollo,xiaoxq/apollo,ycool/apollo,ycool/apollo,xiaoxq/apollo,jinghaomiao/apollo